MCL injury is also part of the  Unhappy Triad , or the common injury of the MCL, ACL, and Meniscus all together, usually through a pivot shift type of mechanism.The most obvious sypmtom of MCL injury is pain. Following the injury, you will experience pain in the knee, usually along the iside of the joint.CL injury is also part of the  Unhappy Triad , or the common injury of the MCL, ACL, and Meniscus all together, usually through a pivot shift type of mechanism.
With hemangiosarcoma, the pericardium fills up with blood due to rupture of the tumor. When the tumor occurs in the skin, a mass or lump can usually be felt in or under the skin. The mass may become ulcerated and bleed. When the tumor occurs in a bone, it can cause pain and discomfort.
So as you go down along the artery it gets smaller and carries less and less blood as it branches. The major veins in the body carry de-oxygenated blood back from the circulation towards the right side of the heart. The pulmonary veins are the exception as they carry oxygenated blood from the lungs to the left heart. They join together to form larger and larger veins as they gather from the periphery toward the larger veins.